what does this error message mean?

[poma]

On 15.10.2014 05:35, Ranjan Maitra wrote:
> Hi.
> 
> I have the following messages upon boot/wakeup from hibernate (in my dmesg also):
> 
> ......
> [    9.049204] systemd[1]: Received SIGRTMIN+21 from PID 313 (plymouthd).
> [    9.076954] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
> [    9.076955] Bluetooth: BNEP filters: protocol multicast
> [    9.076963] Bluetooth: BNEP socket layer initialized
> [    9.250563] iwlwifi 0000:06:00.0: L1 Enabled; Disabling L0S
> [    9.253393] iwlwifi 0000:06:00.0: L1 Enabled; Disabling L0S
> [    9.267833] IPv6: ADDRCONF(NETDEV_UP): wlp6s0: link is not ready
> [    9.402844] tun: Universal TUN/TAP device driver, 1.6
> [    9.402847] tun: (C) 1999-2004 Max Krasnyansky <maxk at qualcomm.com>
> [   14.782008] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140724/nsarguments-95)
> [   14.782106] ACPI: \_SB_.PCI0.PEG0.PEGP: failed to evaluate _DSM
> [   14.782110] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140724/nsarguments-95)
> [   18.485668] traps: pnmixer[1226] trap int3 ip:34d10504e9 sp:7fffae324c50 error:
> 
> What does it mean? Is there a bug? If so, what should I file against?
> 
> pnmixer does not come up, but it does come up when I type it afterwards.
> 
> Thanks,
> Ranjan
> 
> 

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